331results about How to "Improve lighting conditions" patented technology

The invention discloses a method for cultivating tea comprising the steps of, tea plantation sun screening, planting deciduous arbor around the tea plantation and between the tea trees, covering the tea plantation through rice straw and planting bean green manure, applying special-purpose fertilizer for organic tea, inoculating beneficial soil organisms and soil creatures including right amount of earthworm, finally carrying out irrigation through mini- sprinkling irrigation system in high temperature dry seasons.

The present invention discloses a form pruning method of fruit tree. Said method includes the following steps: (1), in first year, selecting and setting first layer of 46-6 main branches which are not overlapped for central trunk, making included angle between main branch and central trunk be greater than 90 deg.; (2), in second year, defining 3-5 layers of main branches over first layer of main branches, every layer has 1-3 mutually non-overlapped main branches, the upper layer of main branches and the lower layer of main branches are not overlapped mutually, making all the included angles between main branches and central trunk be greatly than 90 deg.; and (3), in third year-fifth year, pruning to make the tree height be controlled within 3 meters, setting 4-6 layers of 7-21 main branches, making every included angle between every main branch and central trunk be greater than 90 deg.

The invention belongs to the fields of fruit tree cultivation and fruit tree ecology, and discloses a shaping method for a downward-arrowhead-shaped tree shape of a pear tree. The tree shape has a tree height of 2.4-2.5 m, and a trunk height of 0.6-0.7 m, and only two main branches and one centre trunk of a first layer are reserved, therefore, the tree shape is called as the downward-arrowhead-shaped tree shape. The downward-arrowhead-shaped tree shape is small in top and large in bottom, the influence of upper branches on lower branches is less, and ventilation and light transmission conditions are good. The downward-arrowhead-shaped tree shape of a pear tree is an innovation based on the '3-plus-1' tree shape disclosed previously, which is simple in structure, convenient in culture, easy to grasp by fruit growers, convenient in field management, and easy to spread and popularize; and the tree shape is a novel high-quality and labour-saving cultivation tree shape of a pear tree.

The invention discloses a high slender spindle-shaped apple tree form and a trimming method thereof. As a whole, the tree form is of high slender spindle shape. After an apple tree is formed, the crown diameter of the apple tree is small, slender and high. The apple tree is 3.5-4.0m high and the trunk of the apple tree is 0.8-0.9m high. Thirty to fifty spirally arranged small boughs are grown on the central leading trunk of the apple tree. The average length of the small boughs is 1m. The average angle between the central trunk and the small bough is 115 degrees. The top-to-bottom spacing among the small boughs on the same side is 0.25m. The trimming method of the high slender spindle-shaped tree form is simple. Other boughs require no decapitation but branch drawing except that the central trunk requires short-cutting in winters in 1-2 years. Thereby, the trimming method can be popularized in tree forms of simplified trimming and low labor strength.

The invention provides a method for determining an orbit transferring strategy of time-limited spacecraft coplanar rendezvous, and belongs to the field of the time-limited spacecraft coplanar rendezvous. The problem that the accuracy of the rendezvous algorithm calculation is affected caused by the poor observation effect at rendezvous time due to the fact that an existing spacecraft rendezvous technology has relatively low requirements on lighting conditions is solved. The method comprises the steps that the theoretical limiting time of the entire rendezvous process between a target spacecraft and a service spacecraft is calculated; then the two speed increments and the used time of orbit transferring in the service spacecraft orbit transferring process are calculated; initial values of the movement time of an initial orbit and initial values of the movement time of a target orbit for the optimized variable service spacecraft are calculated; integral is carried out on the rendezvous process to obtain position vectors of the service spacecraft and the target spacecraft at the rendezvous time and the angle of the position vectors; when the angle reaches 0 degree, at the moment, themovement time of the initial orbit and the movement time of the target orbit are used as the orbit transferring parameters and the orbit transferring strategy. According to the method, the calculationresults are accurate, and the iterative calculation process is simple.

The invention relates to a controlling technology for an electric light source, which is a digital and intelligent power source of an electromagnetic induction light which specially provides power source for the electromagnetic induction light. The controlling technology comprises an electromagnetic compatible circuit, a waves filtering rectifier circuit, a correction circuit with source power parameters and an output circuit with a half-bridge drive power which are electrically connected in sequence. Particularly, a digital controlling singlechip is respectively connected with the correction circuit with source power parameters and the output circuit with a half-bridge drive power, a man-machine interface is also connected with the singlechip through an interface circuit, and a sensor group is connected with the singlechip; the power source of the invention simplifies the hardware circuit and has the advantages of flexible control, perfect protection system, lower fault rate, high efficiency of electrical power transformation and more remarkable energy saving effect.

What is new in this invention, it is the complete automation of the light assembly positioning or selection. Using sensors and robotics, human intervention became completely unnecessary. Once the system installed and optimized, human intervention is unnecessary and the system is working independently. The system is sensing the possibility of appearance of shadow for a well-determined area and it is taking measures to avoid it.

The present invention provides an exposure method which illuminates each of patterns, to be subjected to double exposure, on entire surfaces thereof in optimal illumination conditions respectively, and which performs the exposure with high throughput. Upon transferring a pattern of a reticle onto a wafer by the scanning exposure method, first and second pattern areas are formed in advance on the reticle to be adjacent in the scanning direction, and when the first and second pattern areas simultaneously pass across a field of a projection optical system, the first pattern area is illuminated in a first illumination condition by using a first illumination slit of which width in the scanning direction is gradually narrowed, and the second pattern area is illuminated in a second illumination condition by using a second illumination slit of which width in the scanning direction is gradually widened, to thereby expose the wafer.

The invention discloses a light adjusting method and device, a storage medium and intelligent reading equipment. The light adjusting method comprises the following steps: carrying out brightness detection on a current reading environment to obtain brightness information of the current reading environment, wherein the brightness information comprises a brightness value; judging whether the brightness value meets a preset brightness standard or not; and if the brightness value does not meet the preset brightness standard, then executing a light adjusting operation. The light adjusting method provided by the invention can improve the light condition of the current reading environment in the process of using a reading robot by a user, so that the user can read in a good lighting environment, and the user experience is improved.

A visual interdental brush comprises an interdental brush and a delivery device, the delivery device is provided with a guide head, a casing and a lighting system, the interdental brush is mounted on the guide head, the lighting system can provide lighting to the interdental brush, and greatly improve the lighting conditions within the oral cavity. Especially, the visual interdental brush is also provided with an observation system, through an observation mirror or a camera system, the process of the interdental brush entering into crevice between teeth can be directly observed in the use process, and the visual interdental brush is easy to clean, and can effectively avoid accidental injury of gums.

The invention discloses a method for measuring a leaf area by manually shooting. Aiming at the defects that the conditions required by shooting the leaf images are hardly met in the open air and the effect on image post-processing is poor, and the like in the prior art, the invention provides the method for measuring the leaf area by manually shooting. When a leaf plane image is acquired, the leaf is placed on a standard template with standard control points; image inversion is performed on the shot image on the basis of correspondence of the standard control points between coordinate positions on different images and spatial relationships, and orthographic images of the shot images are acquired; and each leaf image area in the acquired orthographic images is calculated by using the image processing software. Compared with the prior art, the method has the advantage that: the needed equipment is particularly simple and convenient to carry when the method is implemented, manual shooting is performed by only using a common digital camera during the leaf shooting, the image post-processing only needs conventional software, the measured result is accurate and credible, and the error can be controlled. The complete set of the method for measuring the leaf area by manually shooting is particularly suitable for the requirement on field survey.

The invention discloses a flue-cured tobacco mulch pyramidic hole transplanting method and a structure after flue-cured tobacco mulch pyramidic hole field-planting. The flue-cured tobacco mulch pyramidic hole transplanting method comprises the following steps of: a, digging a pyramidic tobacco seedling planting hole on a ridge for planting tobacco, wherein the size and shape of a pyramidic tip part of the pyramidic tobacco seedling planting hole are same as those of a matrix hole of a floating seedling-raising disc; b, placing the tobacco seedling cultured by the floating seedling-raising disc into the pyramidic tobacco seedling planting hole; and c, covering a mulch. According to the invention, the ridge is provided with the pyramidic planting hole, so that the lower end of the planting hole with the shape can be matched with the shape of a planting cup of the floating seedling-raising disc, thus the tobacco seedling can be directly placed in the planting hole during planting, so that procedures, such as seedling supporting and ridging are omitted during conventional planting, and human hands are prevented from being burnt by tobacco seedlings; and by adopting deephole planting which not only has a good effect and is superior to big hole digging for planting and small arch building for planting, but also can avoid the procedures of digging a big hole and building and dismantling a small arch, namely, the deephole planting can be finished by the conventional mulch and the conventional pavement method.

A fluid inspection device for inspecting a fluid in a vessel includes an elongate insertion well having a rear end disposed at the wall of the vessel and a front end disposed in the interior of the vessel. An inside of the insertion well is sealed off from the fluid in the vessel and an outside of the insertion well is in contact with the fluid in the vessel. A camera unit is disposed in the inside of the insertion well, and a lens in operative communication with the camera unit is disposed at the front end of the insertion well so that a front end of the lens is in contact with the fluid and a rear end of the lens is inside the insertion well. In addition, a light guide having a light emitting end is configured to guide light from the inside of the insertion well to the light emitting end. The light emitting end is disposed forward of the front end of the lens and directs the light at an angle toward the front end of the lens, and a gap between the front end of the lens and the light emitting end is capable of receiving the fluid.

The invention relates to a rapid propagation method for culturing Rieger begonias tissue, which comprises the following steps that: explant material is treated, that is, the explant material is selected for treatment to prepare the explant meeting the requirement; then inducement is carried out, that is, the explant prepared in the first step gets vaccinated to culture medium to induce bud on inducing conditions; the inducing condition that the light intensity with illuminance is less than 1500lx is met. As the lighting condition during the fast propagation of Rieger begonias tissue is further optimized, the application of the rapid propagation method for culturing Rieger begonias tissue causes the inducement time to be shorter and ensures the inducement rate to be higher and reach 100 percent.

The invention discloses a three-dimensional cultivation method for greenhouse crops. The method comprises the following steps: (1) building a greenhouse, wherein the front roof angle of the greenhouse is greater than 45 degrees; (2) building a trapezoidal planting table in the greenhouse, wherein the trapezoidal planting table comprises a plurality of steps, handrails are arranged on the two sides of the steps, and the steps and the handrails can all be formed by connecting a plurality of steel pipes of different lengths; (3) placing cultivation vessels on each step of the trapezoidal planting table, and filling a cultivation medium into the vessels; (4) planting photophilous plants in the medium and planting sciophilous plants in the ground below the trapezoidal planting table. The method has the beneficial effects that the greenhouse span is shortened, the front roof angle is increased, the sunlight receiving angle of the greenhouse is increased, the temperature of the greenhouse is increased, the crops planted on the inclined plane are gradient in height, the mutual shading rate is reduced, the planting density can be increased, the yield is improved, and a shady space is formed on the lower part of the greenhouse to plant the sciophilous plants.

This aims to provide a support (10) comprising a bracket (7) attached to a predetermined structure, and a generally cylindrical holder (6) retained in the bracket (7). This bracket (7) has a receiving hole (112) for accommodating the holder (6). This holder (6) has a first rib (122) erected on a curved outer circumference, and an elastic portion (124) for giving the first rib (122) the degree of freedom for motions in the substantially radial direction. This also aims to provide a lighting unit (20) characterized by comprising a board (2), in which light emitting portions (23) having semiconductor light emitting devices are arrayed on the upper face side along the longitudinal direction, reflector members (3A and 3B) mounted on the side of the upper face of the board and having reflecting portions (34a and 34b) for covering the light emitting units and for reflecting the lights from the light emitting units, and a case member (4) disposed to support the board and the reflector members upward and downward.

The invention discloses a cultivation method for concentrated boll opening of cotton in cotton regions of the South China. Through unique processes of seeding, fertilizing, topping, ripening and the like, cotton colony structure and cotton fruiting and boll opening modes are optimized, the total growth period of the cotton can be shortened by 60-70 days, and especially, the boll opening period of the cotton is enabled to be concentrated within 30-40 days, so that convenience is brought to manual concentrated cotton harvesting or mechanical cotton harvesting, 4-5 workers in harvesting links can be saved by manual concentrated cotton harvesting compared with current cultivation methods, and a season contradiction between cotton production and winter crop soil preparation is solved. The cultivation method is especially suitable for popularization and application in multiple-cropping cotton regions of the South China.

The invention discloses a portable photo-thermal seawater desalination hollow fiber membrane, a preparation method, a device and application. The preparation method comprises the following steps: 1) dispersing and dissolving a hydrophilic polymer and nano-particles in a buffer solution with the pH value of 8.5 to prepare a uniform solution, circularly washing the hollow fiber membrane with the uniform solution for 1-24 hours, and conducting cleaning and drying for later use to prepare the hollow fiber membrane with the super-hydrophilic inner surface, wherein the ratio of the hydrophilic polymer to the nano-particles is (1-20):(0-20); and (2) putting the hollow fiber membrane with the super-hydrophilic inner surface obtained in the step (1) in 0.1-20wt% photo-thermal modified material solution atmosphere, and conducting treating for 1-24 hours in manners of surface adsorption, surface vapor deposition, surface cross-linking fixation, suction filtration and/or coating modification, so as to prepare the hollow fiber membrane with the super-hydrophilic inner surface and the photo-thermal outer surface. The three-dimensional hollow fiber membrane is selected as a base material, and the photo-thermal seawater desalination hollow fiber membrane obtained through inner/outer surface modification can realize photo-thermal seawater desalination.

The invention relates to the technical field of automatic driving, in particular to an automatic parking space detection method based on deep learning. The method comprises the steps of summing the loss function obtained on the basis of deep learning and the cost function of the template obtained on the basis of template matching to obtain a total cost function, and searching the total cost function by taking the position of the point with the maximum probability of any model as an initial value to obtain the position of the parking space. Compared with the prior art, the method has the advantages that the method is easy to implement; according to the method, template matching and deep learning are combined to carry out parking space detection in the image; the method is effective under the conditions of good illumination conditions and good splicing effects, and can realize robust and accurate parking space detection under the conditions of complex light sources, road surface reflection, interference in parking spaces, inaccurate splicing top views and the like. And the calculation complexity of distance transformation and Canny edge detection is very low, the calculation amount is very small, and the method can be operated on an embedded platform in real time, so that the method has a direct application value.

A sunlight-based projector system (3) is disclosed for providing a direct light beam (5). The projector system (3) comprises a sunlight receiving unit (9) with a collector system (13), a plurality of optical fibers (15), and a plurality of fiber output channels (44). The collector system (13) collects natural outdoor light, and couples the collected light into the plurality of optical fibers (15). The projector system (3) comprises further a sunlight forming unit (11) with a plurality of optical collimator units (47) arranged in a two-dimensional array, wherein each optical collimator unit (47) receives the respective fiber output light (45) and comprises at least one optical collimator (49) for reducing the angular distribution width of the received divergent fiber output light (45). Output areas of the plurality of optical collimator units (47) form essentially a continuously extending large light-emitting face (53) of the sunlight forming unit (11) for emitting an essentially collimated light beam (5). The generated direct light beam (5) may be used together with diffused light generating areal units to provide a sun-sky imitating lighting system with a sun-like appearance.